DNA STRUCTURE

Question 1

He established the basic principle of heredity

Answer 1

Gregor Mendel

Question 2

He hypothesized that there is a “FACTOR” that can change a harmless bacteria into a harmful one

Answer 2

Frederick Griffith

Question 3

discovered that the “transforming factor”is the DNA

Answer 3

Oswald Avery

Question 4

Austrian biochemist, analyzed the proportion of the nitrogenous bases in the DNA of various species

Answer 4

Erwin chargaff

Question 5

Percent of adenine, thymine. Percent of cytosine and guanine.

Answer 5

31, 19

Question 6

DNA is the genetic material present in bacteriophages

Answer 6

Alfred Hershey and Martha Chase

Question 7

Studied the structure of DNA using the xray

Answer 7

Rosalind Franklin and Maurice wilkins

Question 8

Pearl of science

Answer 8

DNA

Question 9

Article that describe the structure of the DNA as a double helix

Answer 9

Francis Crick and James Watson

Question 10

DNA is made up

Answer 10

Nucleotides

Question 11

Deoxy means

Answer 11

Without oxygen

Question 12

Four nitrogenous bases

Answer 12

Cytosine, guanine, thymine, adenine

Question 13

Pyrimidine always pair with _ that was observed by chargraff

Answer 13

Purine

Question 14

Described as double helix

Answer 14

DNA

Question 15

Body cell contains about

Answer 15

20 to 25k genes

Question 16

Series of process involved in the production of protein

Answer 16

Protein synthesis

Question 17

Process that should be done properly and precisely

Answer 17

Mutations

Question 18

Two types of mutations

Answer 18

Gene and chromosome

Question 19

Part of chromosome is deleted

Answer 19

Deletion

Question 20

Chromosome became longer due to segment attached

Answer 20

Duplication

Question 21

Attached reverse orientation

Answer 21

Inversion

Question 22

Chromosomes interchange

Answer 22

Translocstion

Question 23

Make up fail to Separate during meiosis

Answer 23

Nondisjunction

Question 24

Replacement of nucleotides. Affects gametes or a sex cell

Answer 24

Point mutations or substitution

Question 25

Substitution in the amino acid of a protein

Answer 25

Missense mutation

Question 26

Stop codon was added

Answer 26

Nonsense mutations

Question 27

Happens when one or a few nucleotides pairs in the DNA are deleted

Answer 27

Frameshift

Question 28

Causes of mutations

Answer 28

Exposure to high energy radiation. Excessive exposure to chemicals

Question 29

Person with mild to severe mental retardation.

Answer 29

Down syndrome or trisomy 21

Question 30

Sterile person with sex organs that do not develop

Answer 30

Turner syndrome

Question 31

Abnormal body structure

Answer 31

Klinefelter syndrome

Question 32

High pitched cat like cry, delayed development

Answer 32

Cri du chat syndrome 5p- syndrome

Question 33

Premature aging condition. Adult like appearance

Answer 33

Progeria

Question 34

Lamin

Answer 34

Family of proteins